MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac064981583a22c0a9b60856fec89bb5cf4f4cdba4bb8e81d49c451b4b9a3857. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



AgentTesla


Vendor detections: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: ac064981583a22c0a9b60856fec89bb5cf4f4cdba4bb8e81d49c451b4b9a3857
SHA3-384 hash: b36e95ce4369d0a504b286512f2c1828ac7223094e5edc5e57fd390df6d111abbb8304ed52d9dd824db665f3ed51b00a
SHA1 hash: 9ff6a35235f25cb7050e1e176f6dd8324c3b6dfb
MD5 hash: 18fd5af453336d20d1a8a3a5e7607bbb
humanhash: twelve-happy-april-oscar
File name:RGA's.exe
Download: download sample
Signature AgentTesla
File size:884'224 bytes
First seen:2022-03-15 08:28:12 UTC
Last seen:2022-03-15 10:39:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:KtkwOt5CpNhSQzNMThOWOPcl6T+5ciXIQQ:rft5WNeThH865+
Threatray 16'457 similar samples on MalwareBazaar
TLSH T10C15124573E88F02E5768BF89521290803B676ED9430D74D5EDA30CB6AA3B168F60F5F
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RGA's.exe
Verdict:
Malicious activity
Analysis date:
2022-03-15 08:31:50 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a process from a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit greyware obfuscated packed replace.exe
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 589290 Sample: RGA's.exe Startdate: 15/03/2022 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 6 other signatures 2->53 6 RGA's.exe 3 2->6         started        10 xQHyGqn.exe 3 2->10         started        12 xQHyGqn.exe 2 2->12         started        process3 file4 21 C:\Users\user\AppData\Local\...\RGA's.exe.log, ASCII 6->21 dropped 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->55 57 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->57 59 Injects a PE file into a foreign processes 6->59 14 RGA's.exe 2 5 6->14         started        61 Multi AV Scanner detection for dropped file 10->61 63 Machine Learning detection for dropped file 10->63 19 xQHyGqn.exe 2 10->19         started        signatures5 process6 dnsIp7 29 smtp.vivaldi.net 31.209.137.12, 49780, 49794, 587 HRINGDU-ASIS Iceland 14->29 31 192.168.2.1 unknown unknown 14->31 23 C:\Users\user\AppData\Roaming\...\xQHyGqn.exe, PE32 14->23 dropped 25 C:\Windows\System32\drivers\etc\hosts, ASCII 14->25 dropped 27 C:\Users\user\...\xQHyGqn.exe:Zone.Identifier, ASCII 14->27 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->33 35 Tries to steal Mail credentials (via file / registry access) 14->35 37 Modifies the hosts file 14->37 39 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->39 41 Tries to harvest and steal ftp login credentials 19->41 43 Tries to harvest and steal browser information (history, passwords, etc) 19->43 45 Installs a global keyboard hook 19->45 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-15 08:29:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
collection persistence spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
Unpacked files
SH256 hash:
df51a8a3816325a9b535e49d4b13100211bd1de70712607432d0324179663903
MD5 hash:
3efbefbf52e4423665f106ef8de3e032
SHA1 hash:
d1e01820be3a6849e1c90b7e7709ea41af0047d9
SH256 hash:
788f9ca0916a726e93c7cabb6d93e5249b740995505c637efca3c12a5e6ef601
MD5 hash:
c9cd4d34ca28db456bc8fded9b08c698
SHA1 hash:
afb423c46a4851e724b9a749adfde7696be334d4
SH256 hash:
4ffb59b76867dc3ee5df8b1476a82043c8bbfa9679aa90a2e4b937292b3722b8
MD5 hash:
fc6d91ff314356715f5c76ba61240c9f
SHA1 hash:
aac8291f9af1c2e18b8302550ee4d1c96120949a
SH256 hash:
47b7752881f85b8540763a8be445d6ab6ebdda9602702a7c38e382396d323747
MD5 hash:
4bdbcf4649c30f05582fbeed4b0e92b1
SHA1 hash:
8d56d4d8b3193cc5f92850f27d6eac13b679e753
SH256 hash:
ac064981583a22c0a9b60856fec89bb5cf4f4cdba4bb8e81d49c451b4b9a3857
MD5 hash:
18fd5af453336d20d1a8a3a5e7607bbb
SHA1 hash:
9ff6a35235f25cb7050e1e176f6dd8324c3b6dfb
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe ac064981583a22c0a9b60856fec89bb5cf4f4cdba4bb8e81d49c451b4b9a3857

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments